Input: add ixp4xx beeper driver

This is a driver for beeper found in LinkSys NSLU2 boxes. It should work
on any ixp4xx based platform.

Signed-off-by: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/misc/Kconfig b/drivers/input/misc/Kconfig
index e08dbe0..4bad588 100644
--- a/drivers/input/misc/Kconfig
+++ b/drivers/input/misc/Kconfig
@@ -50,6 +50,18 @@
 	  To compile this driver as a module, choose M here: the module will
 	  be called wistron_btns.
 
+config INPUT_IXP4XX_BEEPER
+	tristate "IXP4XX Beeper support"
+	depends on ARCH_IXP4XX
+	help
+	  If you say yes here, you can connect a beeper to the
+	  ixp4xx gpio pins. This is used by the LinkSys NSLU2.
+
+	  If unsure, say Y.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ixp4xx-beeper.
+
 config INPUT_UINPUT
 	tristate "User level driver support"
 	help